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Senior Platform Engineer/ISSE

Eliassen Group

Reston, VA • 10/30/2026

Engineering , Information Technology , Professional

Job Description

Job Description
Description:

On-site in Reston, VA

Our client seeks a Senior Platform Engineer/ISSE to design, implement, and continuously monitor security controls across containerized and cloud environments. The role will secure Kubernetes platforms, integrate logging and monitoring, and align solutions with NIST RMF and related frameworks in high-impact environments. The engineer will collaborate with platform, security, and operations teams to ensure compliant, resilient, and observable systems.

This is a full-time, permanent opportunity, offering a competitive salary and comprehensive benefits package. Qualified applicants must be willing and able to work on a w2 basis.

Salary: $180,000 - $200,000/ yr.

Responsibilities:
  • Design, implement, and maintain required security controls aligned to NIST SP 800-53, RMF, ICD 503, FISMA, and FedRAMP.
  • Secure containerized and Kubernetes environments, preferably OpenShift, including cluster hardening and runtime protections.
  • Implement continuous monitoring and auditing for control compliance across IL5 to IL6+ environments.
  • Configure and optimize log collection and analytics in tools such as Splunk to detect anomalies and risks.
  • Execute routine security checks on a daily, weekly, and monthly cadence in alignment with NIST RMF.
  • Support incident response, security incident handling, and forensic analysis.
  • Integrate and operate security tools including Fortify, Acunetix, and Prisma Cloud.
  • Partner with platform engineering to embed DevSecOps practices and automate security control enforcement.
  • Communicate technical risks and mitigations to technical and non-technical stakeholders.
Experience Requirements:
  • 7+ years as a cybersecurity engineer with proven security control design, build, and continuous monitoring.
  • Hands-on Kubernetes security experience; OpenShift preferred.
  • Strong skills in log collection, Splunk querying, and security analytics.
  • Demonstrated experience with NIST SP 800-53, RMF, ICD 503, FISMA, and FedRAMP.
  • Experience implementing controls for cloud, container, and DevSecOps solutions in IL5 to IL6+ environments.
  • Understanding of network protocols, operating systems, and core infrastructure.
  • Experience conducting periodic security checks aligned to RMF.
  • Proficiency in incident response and forensic techniques.
  • Experience with Fortify, Acunetix, and Prisma Cloud.
  • CISSP or equivalent meeting DoD 8140 requirements.
  • Active TS/SCI; CI poly preferred or willingness to obtain.
  • Nice to have: service mesh security knowledge (e.g., Greymatter), AWS or Kubernetes-related cloud certifications, and advanced container security tooling expertise.
Education Requirements:
  • Bachelor's degree in Computer Science, Information Security, or a related field.
  • CISSP or equivalent meeting DoD 8140 requirements.
  • Active TS/SCI; CI poly preferred or willingness to obtain.
Recruitment Transparency Notice
Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screeningand hiringprocess. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team (, ) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position. All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Group’s use of these tools, including AI tools, as part of the application and hiring process.

Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:

· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.

· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.

If you have any indication of fraudulent activity, please contact.

About Eliassen Group:
Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes. We are driven by a purpose to positively impact the lives of our employees, clients, consultants, and the communities we serve.
Eliassen is committed to building a diverse and inclusive team from a variety of backgrounds, perspectives, and skills. We are an Equal Opportunity and Affirmative Action Employer and all employment decisions are based on merit, performance, and business needs. Eliassen does not discriminate on the basis of race, color, gender identity or expression, sexual preference or orientation, sex (including pregnancy, childbirth, and related medical conditions), marital status, creed, religion, physical or mental disability, genetic information, military or veteran status, age, ancestry, national origin, citizenship status, prohibited criminal record inquiries of applicants and employees, or any other category protected by federal, state, or local laws.
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